21460208

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17419}}^1$

素因数の和:17445

約数の個数: 40

約数和(自身を含む): 51841920

約数和(自身を除く): 30381712

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 17419, 34838, 69676, 121933, 139352, 191609, 243866, 278704, 383218, 487732, 766436, 975464, 1341263, 1532872, 1950928, 2682526, 3065744, 5365052, 10730104, 21460208]

約数ペア:

[(1, 21460208), (2, 10730104), (4, 5365052), (7, 3065744), (8, 2682526), (11, 1950928), (14, 1532872), (16, 1341263), (22, 975464), (28, 766436), (44, 487732), (56, 383218), (77, 278704), (88, 243866), (112, 191609), (154, 139352), (176, 121933), (308, 69676), (616, 34838), (1232, 17419)]